/mandos/trunk

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  • Committer: Teddy Hogeborn
  • Date: 2011-08-17 22:46:35 UTC
  • Revision ID: teddy@fukt.bsnet.se-20110817224635-l83agxniozmovv6m
* Makefile (LDFLAGS): Added "-Xlinker --as-needed".

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mandos-monitor
3
3
# 
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
5
# 
6
 
# Copyright © 2009-2016 Teddy Hogeborn
7
 
# Copyright © 2009-2016 Björn Påhlsson
 
6
# Copyright © 2009-2011 Teddy Hogeborn
 
7
# Copyright © 2009-2011 Björn Påhlsson
8
8
# 
9
9
# This program is free software: you can redistribute it and/or modify
10
10
# it under the terms of the GNU General Public License as published by
17
17
#     GNU General Public License for more details.
18
18
# 
19
19
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
 
20
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
22
21
# 
23
 
# Contact the authors at <mandos@recompile.se>.
 
22
# Contact the authors at <mandos@fukt.bsnet.se>.
24
23
# 
25
24
 
26
25
from __future__ import (division, absolute_import, print_function,
27
26
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
32
27
 
33
28
import sys
34
29
import os
 
30
import signal
35
31
 
36
32
import datetime
37
33
 
39
35
import urwid
40
36
 
41
37
from dbus.mainloop.glib import DBusGMainLoop
42
 
try:
43
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository import GObject as gobject
 
38
import gobject
46
39
 
47
40
import dbus
48
41
 
 
42
import UserList
 
43
 
49
44
import locale
50
45
 
51
 
if sys.version_info.major == 2:
52
 
    str = unicode
53
 
 
54
46
locale.setlocale(locale.LC_ALL, '')
55
47
 
56
48
import logging
57
49
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
58
50
 
59
51
# Some useful constants
60
 
domain = 'se.recompile'
 
52
domain = 'se.bsnet.fukt'
61
53
server_interface = domain + '.Mandos'
62
54
client_interface = domain + '.Mandos.Client'
63
 
version = "1.7.3"
64
 
 
65
 
try:
66
 
    dbus.OBJECT_MANAGER_IFACE
67
 
except AttributeError:
68
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
55
version = "1.3.1"
 
56
 
 
57
# Always run in monochrome mode
 
58
urwid.curses_display.curses.has_colors = lambda : False
 
59
 
 
60
# Urwid doesn't support blinking, but we want it.  Since we have no
 
61
# use for underline on its own, we make underline also always blink.
 
62
urwid.curses_display.curses.A_UNDERLINE |= (
 
63
    urwid.curses_display.curses.A_BLINK)
69
64
 
70
65
def isoformat_to_datetime(iso):
71
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
88
83
    properties and calls a hook function when any of them are
89
84
    changed.
90
85
    """
91
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
86
    def __init__(self, proxy_object=None, *args, **kwargs):
92
87
        self.proxy = proxy_object # Mandos Client proxy object
93
 
        self.properties = dict() if properties is None else properties
 
88
        
 
89
        self.properties = dict()
94
90
        self.property_changed_match = (
95
 
            self.proxy.connect_to_signal("PropertiesChanged",
96
 
                                         self.properties_changed,
97
 
                                         dbus.PROPERTIES_IFACE,
 
91
            self.proxy.connect_to_signal("PropertyChanged",
 
92
                                         self.property_changed,
 
93
                                         client_interface,
98
94
                                         byte_arrays=True))
99
95
        
100
 
        if properties is None:
101
 
            self.properties.update(
102
 
                self.proxy.GetAll(client_interface,
103
 
                                  dbus_interface
104
 
                                  = dbus.PROPERTIES_IFACE))
105
 
        
106
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
96
        self.properties.update(
 
97
            self.proxy.GetAll(client_interface,
 
98
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
99
 
 
100
        #XXX This breaks good super behaviour
 
101
#        super(MandosClientPropertyCache, self).__init__(
 
102
#            *args, **kwargs)
107
103
    
108
 
    def properties_changed(self, interface, properties, invalidated):
109
 
        """This is called whenever we get a PropertiesChanged signal
110
 
        It updates the changed properties in the "properties" dict.
 
104
    def property_changed(self, property=None, value=None):
 
105
        """This is called whenever we get a PropertyChanged signal
 
106
        It updates the changed property in the "properties" dict.
111
107
        """
112
108
        # Update properties dict with new value
113
 
        if interface == client_interface:
114
 
            self.properties.update(properties)
 
109
        self.properties[property] = value
115
110
    
116
 
    def delete(self):
 
111
    def delete(self, *args, **kwargs):
117
112
        self.property_changed_match.remove()
 
113
        super(MandosClientPropertyCache, self).__init__(
 
114
            *args, **kwargs)
118
115
 
119
116
 
120
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
122
119
    """
123
120
    
124
121
    def __init__(self, server_proxy_object=None, update_hook=None,
125
 
                 delete_hook=None, logger=None, **kwargs):
 
122
                 delete_hook=None, logger=None, *args, **kwargs):
126
123
        # Called on update
127
124
        self.update_hook = update_hook
128
125
        # Called on delete
133
130
        self.logger = logger
134
131
        
135
132
        self._update_timer_callback_tag = None
 
133
        self._update_timer_callback_lock = 0
 
134
        self.last_checker_failed = False
136
135
        
137
136
        # The widget shown normally
138
137
        self._text_widget = urwid.Text("")
139
138
        # The widget shown when we have focus
140
139
        self._focus_text_widget = urwid.Text("")
141
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
140
        super(MandosClientWidget, self).__init__(
 
141
            update_hook=update_hook, delete_hook=delete_hook,
 
142
            *args, **kwargs)
142
143
        self.update()
143
144
        self.opened = False
144
145
        
 
146
        last_checked_ok = isoformat_to_datetime(self.properties
 
147
                                                ["LastCheckedOK"])
 
148
        if last_checked_ok is None:
 
149
            self.last_checker_failed = True
 
150
        else:
 
151
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
152
                                         - last_checked_ok)
 
153
                                        > datetime.timedelta
 
154
                                        (milliseconds=
 
155
                                         self.properties
 
156
                                         ["Interval"]))
 
157
        
 
158
        if self.last_checker_failed:
 
159
            self.using_timer(True)
 
160
        
 
161
        if self.need_approval:
 
162
            self.using_timer(True)
 
163
        
145
164
        self.match_objects = (
146
165
            self.proxy.connect_to_signal("CheckerCompleted",
147
166
                                         self.checker_completed,
163
182
                                         self.rejected,
164
183
                                         client_interface,
165
184
                                         byte_arrays=True))
166
 
        self.logger('Created client {}'
167
 
                    .format(self.properties["Name"]), level=0)
 
185
        #self.logger('Created client %s' % (self.properties["Name"]))
168
186
    
 
187
    def property_changed(self, property=None, value=None):
 
188
        super(self, MandosClientWidget).property_changed(property,
 
189
                                                         value)
 
190
        if property == "ApprovalPending":
 
191
            using_timer(bool(value))
 
192
        
169
193
    def using_timer(self, flag):
170
194
        """Call this method with True or False when timer should be
171
195
        activated or deactivated.
172
196
        """
173
 
        if flag and self._update_timer_callback_tag is None:
174
 
            # Will update the shown timer value every second
 
197
        old = self._update_timer_callback_lock
 
198
        if flag:
 
199
            self._update_timer_callback_lock += 1
 
200
        else:
 
201
            self._update_timer_callback_lock -= 1
 
202
        if old == 0 and self._update_timer_callback_lock:
175
203
            self._update_timer_callback_tag = (gobject.timeout_add
176
204
                                               (1000,
177
205
                                                self.update_timer))
178
 
        elif not (flag or self._update_timer_callback_tag is None):
 
206
        elif old and self._update_timer_callback_lock == 0:
179
207
            gobject.source_remove(self._update_timer_callback_tag)
180
208
            self._update_timer_callback_tag = None
181
209
    
182
210
    def checker_completed(self, exitstatus, condition, command):
183
211
        if exitstatus == 0:
184
 
            self.logger('Checker for client {} (command "{}")'
185
 
                        ' succeeded'.format(self.properties["Name"],
186
 
                                            command), level=0)
 
212
            if self.last_checker_failed:
 
213
                self.last_checker_failed = False
 
214
                self.using_timer(False)
 
215
            #self.logger('Checker for client %s (command "%s")'
 
216
            #            ' was successful'
 
217
            #            % (self.properties["Name"], command))
187
218
            self.update()
188
219
            return
189
220
        # Checker failed
 
221
        if not self.last_checker_failed:
 
222
            self.last_checker_failed = True
 
223
            self.using_timer(True)
190
224
        if os.WIFEXITED(condition):
191
 
            self.logger('Checker for client {} (command "{}") failed'
192
 
                        ' with exit code {}'
193
 
                        .format(self.properties["Name"], command,
194
 
                                os.WEXITSTATUS(condition)))
 
225
            self.logger('Checker for client %s (command "%s")'
 
226
                        ' failed with exit code %s'
 
227
                        % (self.properties["Name"], command,
 
228
                           os.WEXITSTATUS(condition)))
195
229
        elif os.WIFSIGNALED(condition):
196
 
            self.logger('Checker for client {} (command "{}") was'
197
 
                        ' killed by signal {}'
198
 
                        .format(self.properties["Name"], command,
199
 
                                os.WTERMSIG(condition)))
 
230
            self.logger('Checker for client %s (command "%s")'
 
231
                        ' was killed by signal %s'
 
232
                        % (self.properties["Name"], command,
 
233
                           os.WTERMSIG(condition)))
 
234
        elif os.WCOREDUMP(condition):
 
235
            self.logger('Checker for client %s (command "%s")'
 
236
                        ' dumped core'
 
237
                        % (self.properties["Name"], command))
 
238
        else:
 
239
            self.logger('Checker for client %s completed'
 
240
                        ' mysteriously')
200
241
        self.update()
201
242
    
202
243
    def checker_started(self, command):
203
 
        """Server signals that a checker started."""
204
 
        self.logger('Client {} started checker "{}"'
205
 
                    .format(self.properties["Name"],
206
 
                            command), level=0)
 
244
        #self.logger('Client %s started checker "%s"'
 
245
        #            % (self.properties["Name"], unicode(command)))
 
246
        pass
207
247
    
208
248
    def got_secret(self):
209
 
        self.logger('Client {} received its secret'
210
 
                    .format(self.properties["Name"]))
 
249
        self.last_checker_failed = False
 
250
        self.logger('Client %s received its secret'
 
251
                    % self.properties["Name"])
211
252
    
212
253
    def need_approval(self, timeout, default):
213
254
        if not default:
214
 
            message = 'Client {} needs approval within {} seconds'
 
255
            message = 'Client %s needs approval within %s seconds'
215
256
        else:
216
 
            message = 'Client {} will get its secret in {} seconds'
217
 
        self.logger(message.format(self.properties["Name"],
218
 
                                   timeout/1000))
 
257
            message = 'Client %s will get its secret in %s seconds'
 
258
        self.logger(message
 
259
                    % (self.properties["Name"], timeout/1000))
 
260
        self.using_timer(True)
219
261
    
220
262
    def rejected(self, reason):
221
 
        self.logger('Client {} was rejected; reason: {}'
222
 
                    .format(self.properties["Name"], reason))
 
263
        self.logger('Client %s was rejected; reason: %s'
 
264
                    % (self.properties["Name"], reason))
223
265
    
224
266
    def selectable(self):
225
267
        """Make this a "selectable" widget.
247
289
                          "bold-underline-blink":
248
290
                              "bold-underline-blink-standout",
249
291
                          }
250
 
        
 
292
 
251
293
        # Rebuild focus and non-focus widgets using current properties
252
 
        
 
294
 
253
295
        # Base part of a client. Name!
254
 
        base = '{name}: '.format(name=self.properties["Name"])
 
296
        base = ('%(name)s: '
 
297
                      % {"name": self.properties["Name"]})
255
298
        if not self.properties["Enabled"]:
256
299
            message = "DISABLED"
257
 
            self.using_timer(False)
258
300
        elif self.properties["ApprovalPending"]:
259
301
            timeout = datetime.timedelta(milliseconds
260
302
                                         = self.properties
262
304
            last_approval_request = isoformat_to_datetime(
263
305
                self.properties["LastApprovalRequest"])
264
306
            if last_approval_request is not None:
265
 
                timer = max(timeout - (datetime.datetime.utcnow()
266
 
                                       - last_approval_request),
267
 
                            datetime.timedelta())
 
307
                timer = timeout - (datetime.datetime.utcnow()
 
308
                                   - last_approval_request)
268
309
            else:
269
310
                timer = datetime.timedelta()
270
311
            if self.properties["ApprovedByDefault"]:
271
 
                message = "Approval in {}. (d)eny?"
272
 
            else:
273
 
                message = "Denial in {}. (a)pprove?"
274
 
            message = message.format(str(timer).rsplit(".", 1)[0])
275
 
            self.using_timer(True)
276
 
        elif self.properties["LastCheckerStatus"] != 0:
277
 
            # When checker has failed, show timer until client expires
278
 
            expires = self.properties["Expires"]
279
 
            if expires == "":
280
 
                timer = datetime.timedelta(0)
281
 
            else:
282
 
                expires = (datetime.datetime.strptime
283
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
284
 
                timer = max(expires - datetime.datetime.utcnow(),
285
 
                            datetime.timedelta())
 
312
                message = "Approval in %s. (d)eny?"
 
313
            else:
 
314
                message = "Denial in %s. (a)pprove?"
 
315
            message = message % unicode(timer).rsplit(".", 1)[0]
 
316
        elif self.last_checker_failed:
 
317
            timeout = datetime.timedelta(milliseconds
 
318
                                         = self.properties
 
319
                                         ["Timeout"])
 
320
            last_ok = isoformat_to_datetime(
 
321
                max((self.properties["LastCheckedOK"]
 
322
                     or self.properties["Created"]),
 
323
                    self.properties["LastEnabled"]))
 
324
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
286
325
            message = ('A checker has failed! Time until client'
287
 
                       ' gets disabled: {}'
288
 
                       .format(str(timer).rsplit(".", 1)[0]))
289
 
            self.using_timer(True)
 
326
                       ' gets disabled: %s'
 
327
                           % unicode(timer).rsplit(".", 1)[0])
290
328
        else:
291
329
            message = "enabled"
292
 
            self.using_timer(False)
293
 
        self._text = "{}{}".format(base, message)
294
 
        
 
330
        self._text = "%s%s" % (base, message)
 
331
            
295
332
        if not urwid.supports_unicode():
296
333
            self._text = self._text.encode("ascii", "replace")
297
334
        textlist = [("normal", self._text)]
309
346
            self.update_hook()
310
347
    
311
348
    def update_timer(self):
312
 
        """called by gobject. Will indefinitely loop until
313
 
        gobject.source_remove() on tag is called"""
 
349
        "called by gobject"
314
350
        self.update()
315
351
        return True             # Keep calling this
316
352
    
317
 
    def delete(self, **kwargs):
 
353
    def delete(self, *args, **kwargs):
318
354
        if self._update_timer_callback_tag is not None:
319
355
            gobject.source_remove(self._update_timer_callback_tag)
320
356
            self._update_timer_callback_tag = None
323
359
        self.match_objects = ()
324
360
        if self.delete_hook is not None:
325
361
            self.delete_hook(self)
326
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
362
        return super(MandosClientWidget, self).delete(*args, **kwargs)
327
363
    
328
364
    def render(self, maxcolrow, focus=False):
329
365
        """Render differently if we have focus.
335
371
        """Handle keys.
336
372
        This overrides the method from urwid.FlowWidget"""
337
373
        if key == "+":
338
 
            self.proxy.Set(client_interface, "Enabled",
339
 
                           dbus.Boolean(True), ignore_reply = True,
340
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
374
            self.proxy.Enable(dbus_interface = client_interface,
 
375
                              ignore_reply=True)
341
376
        elif key == "-":
342
 
            self.proxy.Set(client_interface, "Enabled", False,
343
 
                           ignore_reply = True,
344
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
377
            self.proxy.Disable(dbus_interface = client_interface,
 
378
                               ignore_reply=True)
345
379
        elif key == "a":
346
380
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
381
                               dbus_interface = client_interface,
355
389
                                                  .object_path,
356
390
                                                  ignore_reply=True)
357
391
        elif key == "s":
358
 
            self.proxy.Set(client_interface, "CheckerRunning",
359
 
                           dbus.Boolean(True), ignore_reply = True,
360
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
392
            self.proxy.StartChecker(dbus_interface = client_interface,
 
393
                                    ignore_reply=True)
361
394
        elif key == "S":
362
 
            self.proxy.Set(client_interface, "CheckerRunning",
363
 
                           dbus.Boolean(False), ignore_reply = True,
364
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
395
            self.proxy.StopChecker(dbus_interface = client_interface,
 
396
                                   ignore_reply=True)
365
397
        elif key == "C":
366
398
            self.proxy.CheckedOK(dbus_interface = client_interface,
367
399
                                 ignore_reply=True)
375
407
        else:
376
408
            return key
377
409
    
378
 
    def properties_changed(self, interface, properties, invalidated):
379
 
        """Call self.update() if any properties changed.
 
410
    def property_changed(self, property=None, value=None,
 
411
                         *args, **kwargs):
 
412
        """Call self.update() if old value is not new value.
380
413
        This overrides the method from MandosClientPropertyCache"""
381
 
        old_values = { key: self.properties.get(key)
382
 
                       for key in properties.keys() }
383
 
        super(MandosClientWidget, self).properties_changed(
384
 
            interface, properties, invalidated)
385
 
        if any(old_values[key] != self.properties.get(key)
386
 
               for key in old_values):
 
414
        property_name = unicode(property)
 
415
        old_value = self.properties.get(property_name)
 
416
        super(MandosClientWidget, self).property_changed(
 
417
            property=property, value=value, *args, **kwargs)
 
418
        if self.properties.get(property_name) != old_value:
387
419
            self.update()
388
420
 
389
421
 
392
424
    "down" key presses, thus not allowing any containing widgets to
393
425
    use them as an excuse to shift focus away from this widget.
394
426
    """
395
 
    def keypress(self, *args, **kwargs):
396
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
427
    def keypress(self, maxcolrow, key):
 
428
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
397
429
        if ret in ("up", "down"):
398
430
            return
399
431
        return ret
403
435
    """This is the entire user interface - the whole screen
404
436
    with boxes, lists of client widgets, etc.
405
437
    """
406
 
    def __init__(self, max_log_length=1000, log_level=1):
 
438
    def __init__(self, max_log_length=1000):
407
439
        DBusGMainLoop(set_as_default=True)
408
440
        
409
441
        self.screen = urwid.curses_display.Screen()
412
444
                ("normal",
413
445
                 "default", "default", None),
414
446
                ("bold",
415
 
                 "bold", "default", "bold"),
 
447
                 "default", "default", "bold"),
416
448
                ("underline-blink",
417
 
                 "underline,blink", "default", "underline,blink"),
 
449
                 "default", "default", "underline"),
418
450
                ("standout",
419
 
                 "standout", "default", "standout"),
 
451
                 "default", "default", "standout"),
420
452
                ("bold-underline-blink",
421
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
453
                 "default", "default", ("bold", "underline")),
422
454
                ("bold-standout",
423
 
                 "bold,standout", "default", "bold,standout"),
 
455
                 "default", "default", ("bold", "standout")),
424
456
                ("underline-blink-standout",
425
 
                 "underline,blink,standout", "default",
426
 
                 "underline,blink,standout"),
 
457
                 "default", "default", ("underline", "standout")),
427
458
                ("bold-underline-blink-standout",
428
 
                 "bold,underline,blink,standout", "default",
429
 
                 "bold,underline,blink,standout"),
 
459
                 "default", "default", ("bold", "underline",
 
460
                                          "standout")),
430
461
                ))
431
462
        
432
463
        if urwid.supports_unicode():
447
478
        self.log = []
448
479
        self.max_log_length = max_log_length
449
480
        
450
 
        self.log_level = log_level
451
 
        
452
481
        # We keep a reference to the log widget so we can remove it
453
482
        # from the ListWalker without it getting destroyed
454
483
        self.logbox = ConstrainedListBox(self.log)
466
495
        
467
496
        self.busname = domain + '.Mandos'
468
497
        self.main_loop = gobject.MainLoop()
 
498
        self.bus = dbus.SystemBus()
 
499
        mandos_dbus_objc = self.bus.get_object(
 
500
            self.busname, "/", follow_name_owner_changes=True)
 
501
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
502
                                          dbus_interface
 
503
                                          = server_interface)
 
504
        try:
 
505
            mandos_clients = (self.mandos_serv
 
506
                              .GetAllClientsWithProperties())
 
507
        except dbus.exceptions.DBusException:
 
508
            mandos_clients = dbus.Dictionary()
 
509
        
 
510
        (self.mandos_serv
 
511
         .connect_to_signal("ClientRemoved",
 
512
                            self.find_and_remove_client,
 
513
                            dbus_interface=server_interface,
 
514
                            byte_arrays=True))
 
515
        (self.mandos_serv
 
516
         .connect_to_signal("ClientAdded",
 
517
                            self.add_new_client,
 
518
                            dbus_interface=server_interface,
 
519
                            byte_arrays=True))
 
520
        (self.mandos_serv
 
521
         .connect_to_signal("ClientNotFound",
 
522
                            self.client_not_found,
 
523
                            dbus_interface=server_interface,
 
524
                            byte_arrays=True))
 
525
        for path, client in mandos_clients.iteritems():
 
526
            client_proxy_object = self.bus.get_object(self.busname,
 
527
                                                      path)
 
528
            self.add_client(MandosClientWidget(server_proxy_object
 
529
                                               =self.mandos_serv,
 
530
                                               proxy_object
 
531
                                               =client_proxy_object,
 
532
                                               properties=client,
 
533
                                               update_hook
 
534
                                               =self.refresh,
 
535
                                               delete_hook
 
536
                                               =self.remove_client,
 
537
                                               logger
 
538
                                               =self.log_message),
 
539
                            path=path)
469
540
    
470
541
    def client_not_found(self, fingerprint, address):
471
 
        self.log_message("Client with address {} and fingerprint {}"
472
 
                         " could not be found"
473
 
                         .format(address, fingerprint))
 
542
        self.log_message(("Client with address %s and fingerprint %s"
 
543
                          " could not be found" % (address,
 
544
                                                    fingerprint)))
474
545
    
475
546
    def rebuild(self):
476
547
        """This rebuilds the User Interface.
486
557
                                                     self.divider)))
487
558
        if self.log_visible:
488
559
            self.uilist.append(self.logbox)
 
560
            pass
489
561
        self.topwidget = urwid.Pile(self.uilist)
490
562
    
491
 
    def log_message(self, message, level=1):
492
 
        """Log message formatted with timestamp"""
493
 
        if level < self.log_level:
494
 
            return
 
563
    def log_message(self, message):
495
564
        timestamp = datetime.datetime.now().isoformat()
496
 
        self.log_message_raw("{}: {}".format(timestamp, message),
497
 
                             level=level)
 
565
        self.log_message_raw(timestamp + ": " + message)
498
566
    
499
 
    def log_message_raw(self, markup, level=1):
 
567
    def log_message_raw(self, markup):
500
568
        """Add a log message to the log buffer."""
501
 
        if level < self.log_level:
502
 
            return
503
569
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
504
570
        if (self.max_log_length
505
571
            and len(self.log) > self.max_log_length):
512
578
        """Toggle visibility of the log buffer."""
513
579
        self.log_visible = not self.log_visible
514
580
        self.rebuild()
515
 
        self.log_message("Log visibility changed to: {}"
516
 
                         .format(self.log_visible), level=0)
 
581
        #self.log_message("Log visibility changed to: "
 
582
        #                 + unicode(self.log_visible))
517
583
    
518
584
    def change_log_display(self):
519
585
        """Change type of log display.
524
590
            self.log_wrap = "clip"
525
591
        for textwidget in self.log:
526
592
            textwidget.set_wrap_mode(self.log_wrap)
527
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
528
 
                         level=0)
 
593
        #self.log_message("Wrap mode: " + self.log_wrap)
529
594
    
530
 
    def find_and_remove_client(self, path, interfaces):
 
595
    def find_and_remove_client(self, path, name):
531
596
        """Find a client by its object path and remove it.
532
597
        
533
 
        This is connected to the InterfacesRemoved signal from the
 
598
        This is connected to the ClientRemoved signal from the
534
599
        Mandos server object."""
535
 
        if client_interface not in interfaces:
536
 
            # Not a Mandos client object; ignore
537
 
            return
538
600
        try:
539
601
            client = self.clients_dict[path]
540
602
        except KeyError:
541
603
            # not found?
542
 
            self.log_message("Unknown client {!r} removed"
543
 
                             .format(path))
 
604
            self.log_message("Unknown client %r (%r) removed", name,
 
605
                             path)
544
606
            return
545
607
        client.delete()
546
608
    
547
 
    def add_new_client(self, path, ifs_and_props):
548
 
        """Find a client by its object path and remove it.
549
 
        
550
 
        This is connected to the InterfacesAdded signal from the
551
 
        Mandos server object.
552
 
        """
553
 
        if client_interface not in ifs_and_props:
554
 
            # Not a Mandos client object; ignore
555
 
            return
 
609
    def add_new_client(self, path):
556
610
        client_proxy_object = self.bus.get_object(self.busname, path)
557
611
        self.add_client(MandosClientWidget(server_proxy_object
558
612
                                           =self.mandos_serv,
563
617
                                           delete_hook
564
618
                                           =self.remove_client,
565
619
                                           logger
566
 
                                           =self.log_message,
567
 
                                           properties
568
 
                                           = dict(ifs_and_props[
569
 
                                               client_interface])),
 
620
                                           =self.log_message),
570
621
                        path=path)
571
622
    
572
623
    def add_client(self, client, path=None):
574
625
        if path is None:
575
626
            path = client.proxy.object_path
576
627
        self.clients_dict[path] = client
577
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
628
        self.clients.sort(None, lambda c: c.properties["Name"])
578
629
        self.refresh()
579
630
    
580
631
    def remove_client(self, client, path=None):
582
633
        if path is None:
583
634
            path = client.proxy.object_path
584
635
        del self.clients_dict[path]
 
636
        if not self.clients_dict:
 
637
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
638
            # is completely emptied, we need to recreate it.
 
639
            self.clients = urwid.SimpleListWalker([])
 
640
            self.rebuild()
585
641
        self.refresh()
586
642
    
587
643
    def refresh(self):
591
647
    
592
648
    def run(self):
593
649
        """Start the main loop and exit when it's done."""
594
 
        self.bus = dbus.SystemBus()
595
 
        mandos_dbus_objc = self.bus.get_object(
596
 
            self.busname, "/", follow_name_owner_changes=True)
597
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
598
 
                                          dbus_interface
599
 
                                          = server_interface)
600
 
        try:
601
 
            mandos_clients = (self.mandos_serv
602
 
                              .GetAllClientsWithProperties())
603
 
            if not mandos_clients:
604
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
605
 
        except dbus.exceptions.DBusException:
606
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
607
 
            mandos_clients = dbus.Dictionary()
608
 
        
609
 
        (self.mandos_serv
610
 
         .connect_to_signal("InterfacesRemoved",
611
 
                            self.find_and_remove_client,
612
 
                            dbus_interface
613
 
                            = dbus.OBJECT_MANAGER_IFACE,
614
 
                            byte_arrays=True))
615
 
        (self.mandos_serv
616
 
         .connect_to_signal("InterfacesAdded",
617
 
                            self.add_new_client,
618
 
                            dbus_interface
619
 
                            = dbus.OBJECT_MANAGER_IFACE,
620
 
                            byte_arrays=True))
621
 
        (self.mandos_serv
622
 
         .connect_to_signal("ClientNotFound",
623
 
                            self.client_not_found,
624
 
                            dbus_interface=server_interface,
625
 
                            byte_arrays=True))
626
 
        for path, client in mandos_clients.items():
627
 
            client_proxy_object = self.bus.get_object(self.busname,
628
 
                                                      path)
629
 
            self.add_client(MandosClientWidget(server_proxy_object
630
 
                                               =self.mandos_serv,
631
 
                                               proxy_object
632
 
                                               =client_proxy_object,
633
 
                                               properties=client,
634
 
                                               update_hook
635
 
                                               =self.refresh,
636
 
                                               delete_hook
637
 
                                               =self.remove_client,
638
 
                                               logger
639
 
                                               =self.log_message),
640
 
                            path=path)
641
 
        
642
650
        self.refresh()
643
651
        self._input_callback_tag = (gobject.io_add_watch
644
652
                                    (sys.stdin.fileno(),
676
684
            elif key == "window resize":
677
685
                self.size = self.screen.get_cols_rows()
678
686
                self.refresh()
679
 
            elif key == "ctrl l":
680
 
                self.screen.clear()
 
687
            elif key == "\f":  # Ctrl-L
681
688
                self.refresh()
682
689
            elif key == "l" or key == "D":
683
690
                self.toggle_log_display()
695
702
                                            "?: Help",
696
703
                                            "l: Log window toggle",
697
704
                                            "TAB: Switch window",
698
 
                                            "w: Wrap (log lines)",
699
 
                                            "v: Toggle verbose log",
700
 
                                            ))))
 
705
                                            "w: Wrap (log)"))))
701
706
                self.log_message_raw(("bold",
702
707
                                      "  "
703
708
                                      .join(("Clients:",
716
721
                else:
717
722
                    self.topwidget.set_focus(self.logbox)
718
723
                self.refresh()
719
 
            elif key == "v":
720
 
                if self.log_level == 0:
721
 
                    self.log_level = 1
722
 
                    self.log_message("Verbose mode: Off")
723
 
                else:
724
 
                    self.log_level = 0
725
 
                    self.log_message("Verbose mode: On")
726
724
            #elif (key == "end" or key == "meta >" or key == "G"
727
725
            #      or key == ">"):
728
726
            #    pass            # xxx end-of-buffer
751
749
    ui.run()
752
750
except KeyboardInterrupt:
753
751
    ui.screen.stop()
754
 
except Exception as e:
755
 
    ui.log_message(str(e))
 
752
except Exception, e:
 
753
    ui.log_message(unicode(e))
756
754
    ui.screen.stop()
757
755
    raise